Pilot protection for hybrid multi-terminal HVDC transmission lines based on Euclidean distance between differential current and distributed capacitance current

• Published in: Electric power systems research Vol. 224; p. 109752
• Main Authors: Chu, Beiyu, Li, Haifeng, Liang, Yuansheng, Zhang, Qixuan, Peng, Guangqiang, Wang, Gang
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 01.11.2023
• Subjects: DC transmission line protection; Differential current; Distributed capacitance current; Pilot protection; Waveform similarity; DC transmission line protection; Differential current; Waveform similarity; Pilot protection; Distributed capacitance current

•Waveform characteristics of differential current and distributed capacitance current are discussed by mathematical expression.•A new principle of fault identification based on waveform similarity between differential current and distributed capacitor current is proposed.•A pilot protection method b...